The study aims at developing an analytical assessment model for use in assessing building energy consumption and associated greenhouse gas (GHG) emission characteristics. methodology includes selecting appropriate indicators, tool development description, indicators carbon characteristics assessment, performance evaluation. measured are renewable adoption (REA), overall roof thermal transfer values (OTTV), (RTTV) (U-value), natural ventilation daylighting access (NVA) (NDA), comfort index...

Abstract Globally, the need of future refrigerant is becoming important to save environment owing increase urbanization and industrialization. The rate accumulation greenhouse gasses (GHG) from refrigerants depends on in However, candidature different classes stage has been hindered by challenges. Hence, developments achieved eliminating various challenges studied through literature viability status those improvised basis green refrigeration, thermodynamic properties, performances system...

The study was carried out to determine the density and mechanical properties of Al-7%Si alloy -Bagasse Ash (BA) composite produced at 800 o C. BA obtained 700 C having high silica alumina contents up 77.29% 10.95%, respectively used as reinforcement varied from 0vol% 30vol%.The some composites were determined.The results showed that decreases with percentage increase in 2840.242kgm -3 2292.208kgm minimum value 30vol% BA.The tests that, ultimate tensile strength (UTS) varies 139.677MNm -2...

This study was carried out to determine silica and alumina potential of ash sugarcane bagasse obtained from Savannah Sugar Company Numan, Adamawa state Nigeria.Sugarcane samples were burnt in a metallurgical furnace at three different temperatures 500 o C, 600 C 700 C. The percentages ashes that remained after burning found be 12.65%, 10.89% 9.95%, respectively.The ground powder using X-ray fluorescence (XRF) machine, the analysed their percentage chemical oxide composition.The XRF results...

Purpose The purpose of the study is to analyse municipal solid waste (MSW) disposed in Jimeta-Yola metropolis for landfill gas (LFG), methane and project viability potential. Design/methodology/approach data was collected daily from landfills four weeks. About 7,329.55 Mg/year analysed. These were separated into bio-degradable components i.e. paper textile (263.66 Mg), non-food organic (681.45 wood straw (189.50 Mg) food kitchen (1797.20 Mg). Non-degradable include plastics, polythene bags,...

This study was carried out to determine the potential of Girei Rice Husk Ash (RHA) as reinforcement in metal matrix composite.Rice husk from local millers market Adamawa state collected, prepared and burned metallurgical furnace at temperatures 500 o C, 600 700 800 C 900 percentage ash yields determined.The resulting ashes were analysed using X-ray Fluorescence (XRF) machine their chemical oxide composition.The result shows that yield based on mass basis 19.167%, 17.823%, 17.572%, 21.789%...

Green Building Index (GBI) and Real Estate (GreenRE) are the two existing green building assessment tools specifically design developed for Malaysian tropical weather, environmental development context, cultural social needs. GBI 15 GreenRE have 4 therefore, only four were compared. The total credits allocation 100/154Cr, 100/183Cr 100/184Cr parameters of 39Pr/24Pr, 51Pr/29Pr 44Pr/30Pr RNB, NRNB, NREB GBI/GreenRE respectively. Among criteria, energy, water, indoor outdoor qualities given...

The present study aims to provide insight on energy profiling of a residential college in public university. involves electrical monitoring for six months from the month March until August 2017. data utilized derive average monthly consumption both semester period and break. during break has been recorded increase as much 88% building index be at 22.90 kWh/m2/year meanwhile intensity was 1,932.08 kWh/occupant/year.

Purpose The purpose of this study is to develop a set parameters universally acceptable for assessing design and construction strategies reducing operational energy usage its associated greenhouse gas (GHG) emission. Also, the are intended estimate quantity GHG emission reduction over assessment period. Design/methodology/approach This used five steps framework comprising definition purpose, selecting candidate parameters, criteria selection description, proposed defining parameters. were...

Purpose – The purpose of this paper is to determine the optimum temperature and solar radiation periods from November 2008 April 2009. Design/methodology/approach Four flat plate collectors were constructed inclined at an angle ß = 0o, Φ°, (Φ + 15)o − 15)° tilt angles where Φ latitude location (12.1o). tests conducted for a period six months spanning Readings taken radiation, absorber surface ambient 10 a.m. 3 p.m. on hourly basis. amount energy in W/m2 Kano metropolis, which lies 12.1°, was...

Abstract The kind and quality of coarse aggregate have a direct impact on flexural strength (FS). As result, this study used four different types aggregates, including those that depends morphology, which contain aggregates can reach an extreme size 20 mm the appearance being flaky, angular, rounded, irregular. concrete mixtures were made based Department Environment (DoE) method mix design, target FS 5 MPa at 28 days was established. assessed 7, 14, after curing. In addition, research...

Purpose The purpose of the study is to consolidate a set indicators for assessing design and construction phase strategies reducing operational greenhouse gas (GHG) emission. They will also estimate quantity GHG emission its associated reduction over assessment period. Design/methodology/approach Five steps framework adopted include defining selection candidate indicators. Others are criteria indicator selection, selecting proposed Relevancy, measurability, prevalence, preference,...

Energy consumption during building operation is the major contributor to building’s carbon footprint (CFP). Therefore, aim of this study determine energy efficiency indicators for academic faculty buildings. The monthly usage data from selected three years were used in study. 1,502.32, 872.37, 4,266.95 and 2,686.02 MWh was recorded FSKTM, FPTP, FPTV FKAAB assessment year respectively. CFP 1,042.61, 605,43, 2,961.26 1,864.09 TCO2e obtained. These lead indexes 131.37, 60.21, 161.47 63.86...

Abstract Access to energy is a pressing issue in both developed and developing countries. To achieve socio-economic development, countries worldwide, including those Africa, must carefully plan their transitions, considering the advantages disadvantages of different approaches learning from past experiences. In Nigeria, over 80% population underdeveloped areas lacks access energy, with cooking being primary energy-consuming activity. As oil-producing powerhouse Nigeria increasingly becoming...

Abstract The construction industry, being a significant contributor to greenhouse gas emissions, facing considerable attention and demand on account of the increasing global apprehension regarding climate change its adverse impacts environments. Geopolymer shows itself as viable sustainable alternative Portland cement binder in civil infrastructure applications, offering low-energy, low-carbon footprint solution. This study evaluates five models: Random Forest (RF), Robust Linear Regression...

We attempt to classify interaction of nonlinear optical pulses that propagate in form solitary waves single made fibres. Two launched, by way incidence, into an fibre from a pulse if the are in-phase as understood results inverse scattering transform method applied cubic Schrödinger equations, (CNLSE\'s). The CNLSE is then describe evolution coupled identified with one wavelength. More general physical implications abound such (NLSE\'s), have be used dynamics effects cross-phase modulation,...

The quality of castings in a green sand mould is influenced significantly by its properties, such as compressive strength, shear shatter index, compatibility, moisture content, permeability and others which depend on input parameters. Usually, the aforementioned properties particular casting differ due to variation composition moulding mixtures, grain shape size, bonding capacity binder, type quantity additives used, etc. present work focuses effect various namely, marula shell powder (MSP),...